Jims Fat 6 6-Speed Black Transmission Gear Kit for Harley Dyna

Elevate your motorcycle's performance with the Jims Fat 6 6-Speed Black Transmission Gear Kit, engineered specifically for Harley Davidson Dyna models from 2007 to 2017. This premium upgrade delivers unparalleled strength and smooth shifting for high-performance applications.

Description

The Jims Fat 6 6-Speed Black Transmission Gear Kit is a robust performance upgrade designed for Harley Davidson Dyna models from 2007 to 2017, including the Street Bob FXDB 1584 and Super Glide Custom FXDC 1584. Engineered with precision, this 6-speed transmission kit features straight-cut gear teeth that are an impressive 53% wider than stock, significantly boosting load capacity and overall strength for demanding riding conditions. The assembly is housed within a high-strength 6061 billet aluminum big bearing trap door, which effectively minimizes flex, ensuring consistent and reliable performance in high-horsepower applications. JIMS® innovative quick shift ring technology is integrated to eliminate the common "clunk" associated with shifting, providing a smoother and more refined rider experience. While offering superior durability and strength, the gear ratios remain similar to stock, maintaining familiar performance characteristics, including a direct 1:1 final drive ratio. Constructed from aerospace-grade 9310 steel and featuring a sleek black end cover, this Jims Fat 6 transmission gear kit represents the strongest and toughest 6-speed gearbox available. It is compatible with your existing stock gear selector and requires no modifications to your motorcycle's case or exhaust mount, simplifying installation and making it the ultimate stock OEM 6-speed performance upgrade.

Features & Highlights

• Unrivaled Strength & Load Capacity: Features straight-cut gear teeth, 53% wider than OEM, for exceptional durability and increased power handling.
• Precision-Engineered Durability: Constructed from aerospace-grade 9310 steel, ensuring the toughest and most reliable 6-speed gearbox performance.
• Reduced Flex for High Performance: Assembled into a 6061 billet aluminum big bearing trap door, designed to minimize flex under extreme loads.
• Smooth, Quiet Shifting: Incorporates JIMS® quick shift ring technology, significantly reducing the "clunk" for a seamless and comfortable gear transition.
• Optimized Gearing & Direct Drive: Maintains stock-like gear ratios with a robust 1:1 final drive, offering familiar yet enhanced riding dynamics.
• Effortless Installation: Fully compatible with your stock gear selector and requires no modifications to the case or exhaust mount.
• Proudly Made in the USA: Manufactured and meticulously assembled in JIMS' advanced facility, ensuring top-tier quality and craftsmanship.

Technical Specifications

• Type: Transmission
• Model: Fat 6
• Product Name: Super Gear Kit
• Transmission Type: 6-Speed
• Material: Aerospace Grade 9310 Steel
• Trap Door Material: 6061 Billet Aluminum
• End Cover Finish: Black
• Gear Teeth: Straight Cut, 53% Wider than Stock
• Final Drive Ratio: 1:1
• Fitment: Harley Davidson Dyna Street Bob FXDB 1584, Dyna Super Glide Custom FXDC 1584 (2007-2017)
• Units: Kit
• EAN: 11030064